He took advantage of the opportunity to start a new project.

When the alarm clock rang, I immediately jumped out of bed.

My biological clock is completely messed up.

He found an ancient fire clock.

He measures time accurately using an atomic clock.

There is a new radio clock in my room.

He looked at his pocket watch and checked the time.

It is necessary to finish the chess game within the time limit using a game clock.

My grandfather likes to repair old pendulum clocks.

He is an expert in clockwork.